{%- macro author(name, ctime, mtime) -%}
<i>{{ name }} - {{ format_since(ctime) }}{% if ctime != mtime %} (last modified {{ format_since(mtime) }}){% endif %}</i>
{%- endmacro -%}

{%- macro comment_author(comment, thread_id) -%}
<p><sub>
	{{- author(comment.author, comment.create_time, comment.modify_time) -}}
	{# Suffixing a # prevents unnecessary reloads #}
	<a href="{{ url_for('thread', thread_id = thread_id) }}#"> thread</a>
	{%- if comment.parent_id is not none -%}
	<a href="{{ url_for('comment', comment_id = comment.parent_id) }}#"> parent</a>
	{%- endif -%}
	{%- if comment.author_id == session.get('user_id') -%}
	<a href="{{ url_for('edit_comment', comment_id = comment.id) }}"> edit</a>
	{%- endif -%}
	{%- if comment.author_id == session.get('user_id') -%}
	<a href="{{ url_for('confirm_delete_comment', comment_id = comment.id) }}"> delete</a>
	{%- endif -%}
</sub></p>
{%- endmacro -%}

{%- macro thread_author(author_id, name, ctime, mtime) -%}
<p><sub>
	{{- author(name, ctime, mtime) -}}
	{%- if author_id == session.get('user_id') -%}
	<a href="{{ url_for('edit_thread', thread_id = thread_id) }}"> edit</a>
	{%- endif -%}
	{%- if author_id == session.get('user_id') -%}
	<a href="{{ url_for('confirm_delete_thread', thread_id = thread_id) }}"> delete</a>
	{%- endif -%}
</sub></p>
{%- endmacro -%}

{%- macro render_comment_pre(comment, thread_id) -%}
<div class=comment>
	{{- comment_author(comment, thread_id) -}}
	<p>{{- minimd(comment.text) | safe -}}</p>
{%- endmacro -%}

{%- macro render_comment_post(comment, thread_id) -%}
	{%- for c in comment.children -%}
	{{- render_comment(c, thread_id) -}}
	{%- endfor -%}
</div>
{%- endmacro -%}

{%- macro render_comment(comment, thread_id) -%}
{{- render_comment_pre(comment, thread_id) -}}
<sup><a href="{{ url_for("comment", comment_id = comment.id) }}">reply</a></sup>
{{- render_comment_post(comment, thread_id) -}}
{%- endmacro -%}

{%- macro reply() -%}
{%- if 'user_id' in session -%}
<form method="post" action="comment/">
	<p><textarea name="text"></textarea></p>
	<p><input type="submit" value="Post comment"></p>
</form>
{%- endif -%}
{%- endmacro -%}